diff options
| author | Nicolai Haehnle <prefect_@gmx.net> | 2005-05-14 11:43:04 +0000 |
|---|---|---|
| committer | Nicolai Haehnle <prefect_@gmx.net> | 2005-05-14 11:43:04 +0000 |
| commit | 11bd5c1ac41b08c35c773264fc85c69ec8411b5b (patch) | |
| tree | 1b67f707a21440ac1317f0b1f2b7bc6e969d1099 /src/mesa/drivers/dri | |
| parent | 686e9b9f571cc9b6f2acd09be309af26f43890a3 (diff) | |
Fix span functions for stencil buffer access.
Diffstat (limited to 'src/mesa/drivers/dri')
| -rw-r--r-- | src/mesa/drivers/dri/r300/radeon_span.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/src/mesa/drivers/dri/r300/radeon_span.c b/src/mesa/drivers/dri/r300/radeon_span.c index 53a32106790..0ab6b9b7e0c 100644 --- a/src/mesa/drivers/dri/r300/radeon_span.c +++ b/src/mesa/drivers/dri/r300/radeon_span.c @@ -286,8 +286,8 @@ do { \ do { \ GLuint offset = radeon_mba_z32( radeon, _x + xo, _y + yo ); \ GLuint tmp = *(GLuint *)(buf + offset); \ - tmp &= 0x00ffffff; \ - tmp |= (((d) & 0xff) << 24); \ + tmp &= 0xffffff00; \ + tmp |= (d) & 0xff; \ *(GLuint *)(buf + offset) = tmp; \ } while (0) @@ -295,8 +295,7 @@ do { \ do { \ GLuint offset = radeon_mba_z32( radeon, _x + xo, _y + yo ); \ GLuint tmp = *(GLuint *)(buf + offset); \ - tmp &= 0xff000000; \ - d = tmp >> 24; \ + d = tmp & 0x000000ff; \ } while (0) #define TAG(x) radeon##x##_24_8_TILE @@ -306,19 +305,18 @@ do { \ */ #define WRITE_STENCIL( _x, _y, d ) \ do { \ - GLuint offset = (_x + xo)*4 + (_y + yo)*pitch; \ + GLuint offset = (_x + xo + (_y + yo)*pitch)*4; \ GLuint tmp = *(GLuint *)(buf + offset); \ - tmp &= 0x00ffffff; \ - tmp |= (((d) & 0xff) << 24); \ + tmp &= 0xffffff00; \ + tmp |= (d) & 0xff; \ *(GLuint *)(buf + offset) = tmp; \ } while (0) #define READ_STENCIL( d, _x, _y ) \ do { \ - GLuint offset = (_x + xo)*4 + (_y + yo)*pitch; \ + GLuint offset = (_x + xo + (_y + yo)*pitch)*4; \ GLuint tmp = *(GLuint *)(buf + offset); \ - tmp &= 0xff000000; \ - d = tmp >> 24; \ + d = tmp & 0x000000ff; \ } while (0) #define TAG(x) radeon##x##_24_8_LINEAR |